Masthead spinnaker bail, could this work? - SailNet Community
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post #1 of 13 Old 01-13-2014 Thread Starter
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Masthead spinnaker bail, could this work?

Currently, my masthead has a rather small padeye mounted at the front that was used as the spinnaker bail for the spin halyard and block to attach to.

See below pics:



The problem is that it points downward and is so short that by the time a block is added my asymmetric sock fouls on my furled headsail. I want to get a little more extension and separation between the forestay and spin halyard. So, I came up with this, a 5/16" u bolt that I installed and then bent upward in a vice. See below:



Could this work? My boat is SanJuan-28 and I only use the asym for light air work. However it didn't seem too hard to bent the u-bolt, so I'm worried it will either bend right back (downward) or will simply fail? What do you all think?

If this won't likely work, what recommendations might you have?

Thanks as always!
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post #2 of 13 Old 01-14-2014
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Re: Masthead spinnaker bail, could this work?

It will not hold up! I would build an aluminum assembly that spreads the load between the current attachment point and the flat top of the masthead.
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post #3 of 13 Old 01-14-2014
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Re: Masthead spinnaker bail, could this work?

Get a proper spinnaker crane.

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post #4 of 13 Old 01-14-2014
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Re: Masthead spinnaker bail, could this work?

Agree that's gonna bend in the first big puff...

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post #5 of 13 Old 01-14-2014
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Re: Masthead spinnaker bail, could this work?

I agree with the others. It will fail fairly quickly. Hook a line on it with a loop and stand on it bounce a couple times it will start bending back or break. Get a proper spinnaker crane and do it the correct safe way. While on the bench not after it fails while underway

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post #6 of 13 Old 01-14-2014 Thread Starter
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Re: Masthead spinnaker bail, could this work?

Got it.

It seems most of the cranes I've seen (for my width of masthead) only extend about 1.5". I was hoping to get more separation, but I'll go with a standard crane.

Thank you all!

Last edited by Reefpoints; 01-14-2014 at 08:25 AM.
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post #7 of 13 Old 01-14-2014
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Re: Masthead spinnaker bail, could this work?

A piece of u channel or T beam bolted to the top would be a easy way to get the height and extension you want.
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Re: Masthead spinnaker bail, could this work?

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Originally Posted by ctl411 View Post
A piece of u channel or T beam bolted to the top would be a easy way to get the height and extension you want.
Wow - that's a great idea - thank you!
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post #9 of 13 Old 01-14-2014
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Re: Masthead spinnaker bail, could this work?

What is the u-bolt made out of? What type of stainless?

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Re: Masthead spinnaker bail, could this work?

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Originally Posted by zz4gta View Post
What is the u-bolt made out of? What type of stainless?
It's 316, made by fastenal.

Before the overwhelming consensus to ditch this approach, I was thinking that I may have work-hardened it by bending it or perhaps I should just go 1 size thicker, 3/8" instead of 5/16". It seems that since the masthead has the convenient little "ears" to bolt into, why not use them.

Now, I think I may grind those ears off. That way I could easily fit an upside-down U-channel made of stainless to get a solid 2" or 2.5" of extension.
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